fSize (Function)

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fSize (Function)

In french: fTaille

Returns the size of a file (in bytes).

Example

See additional examples

// Taille d'un fichier
ResTaille is int
ResTaille = fSize("C:\MesRépertoires\Fichier.doc")

// Ouverture d'un fichier externe
MonFichierTxt is DiskFile
ResTaille is int
MonFichierTxt = fOpen("C:\MesRépertoires\Fichier.txt", foReadWrite)

// Taille d'un fichier
ResTaille = fSize(MonFichierTxt)

Syntax

Getting the size of a file according to its path Hide the details

<Result> = fSize(<File path>)

<Result>: Integer

File size in bytes,
-1 if an error occurred. To get more details on the error, use ErrorInfo with the errMessage constant.
When handling files exceeding 2 GB, <Result> must correspond to an 8-byte integer.

<File path>: Character string

Name and full or relative path of the file (up to 260 characters). A UNC path can be used. Wildcard characters (* and?) are not allowed.
This parameter can be in Ansi or Unicode format.
This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder: In Android, the file system is read-only on the device and on the emulator. An application can only write to its installation directory or one of its subdirectories, as well as to the external memory (SDCard).
This parameter can correspond to a full path or a path relative to the current directory (returned by fCurrentDir). This parameter is case-sensitive.
Reminder Under iPhone/iPad, on both the device and the emulator, the file system is read-only. An application can only write to its installation directory or one of its subdirectories.

Finding out the size of a file opened by the application Hide the details

<Result> = fSize(<File used>)

<Result>: Integer

File size in bytes,
-1 if an error occurred. To get more details on the error, use ErrorInfo with the errMessage constant.
When handling files exceeding 2 GB, <Result> must correspond to an 8-byte integer.

<File used>: Integer or DiskFile variable

File identifier returned by one of the following functions: fOpen, fCreate, fOpenTempFile, fMemOpen.
Name of the DiskFile variable initialized with fOpen, fCreate or fOpenTempFile.

Remarks

Handling errors

fSize throws an error in the following cases:

the specified file does not exist,
the name of the specified file is invalid.

Note: fSize does not work on hidden files.

Business / UI classification: Business Logic

Component: wd300std.dll